﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace WpfApp2
{
    /// <summary>
    /// BindingTest4.xaml 的交互逻辑
    /// </summary>
    public partial class BindingTest4 : Window
    {
        string myString;
        public BindingTest4()
        {
            InitializeComponent();
            myString = "Hello,world!";
            this.textBox1.SetBinding(TextBox.TextProperty,new Binding(".") { Source=myString});
        }

        private void btn1_Click(object sender, RoutedEventArgs e)
        {
            myString += "~";
            //MessageBox.Show(myString);  
        }
    }
}
